1) the manubrium is part of what bone?
a. clavicle
b. sternum
c. scapula
d. a rib
e. vertebra
2) any abnormal cardiac rhythm is called a(n) __________.
a. ectopic focus
b. sinus rhythm
c. nodal rhythm
d. heart block
e. arrhythmia
3) which of the following is not a change in the male body that results from puberty?
a. deepening of the voice
b. gain in muscle mass
c. growth of the scrotum and penis
d. acne
e. these are all changes associated with male puberty.
4) raising an arm to one side of the body to stop a taxi, is an example of __________ of
the shoulder.
a. abduction
b. adduction
c. circumduction
d. rotation
e. protraction
5) mature bones are remodeled throughout life via a process known as__________.
a. intramembranous ossification
b. endochondral ossification
c. interstitial growth
d. appositional growth
e. metaphysical growth
6) which of the following hormones directly stimulates the development of male
secondary sex characteristics?
a. estrogen
b. inhibin
c. luteinizing hormone
d. follicle stimulating hormone
e. testosterone
7) when the renal tubules secrete hydrogen ions into the tubular fluid, they __________
at the same time.
a. secrete potassium
b. secrete sodium
c. reabsorb potassium
d. secrete chloride
e. reabsorb sodium
8) which of the following is not found in rna?
a. thymine
b. uracil
c. ribose
d. guanine
9) which of the followingform the inner layer of the glomerular capsule and wrap
around the capillaries of the glomerulus?
a. macula densa cells
b. mesangial cells
c. nephrocytes
d. podocytes
e. monocytes
10) the following are all major components of the brainstem except the _________.
a. diencephalon
b. pons
c. medulla oblongata
d. midbrain
e. cerebellum
11) the contraction of the piloerector muscles (pilomotor muscle or arrector pili) in
humans causes __________.
a. hairs to stand on end, trapping an insulating layer of warm air next to the skin
b. generation of heat to raise the body temperature
c. hairs to stand on end to make the individual appear bigger
d. hairs to stand on end with no apparent function
e. increased ability to feel pain
12) some __________ neurons are specialized to detect stimuli, whereas __________
neurons send signals to the effectors of the nervous system.
a. efferent; afferent
b. afferent; efferent
c. motor; sensory
d. efferent; association
e. afferent; association